Overhead Door Entrapment Protection

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Overhead door entrapment protection.

The door will require a manual override before any automatic actuation device like a timer can be used after the reversing function occurred. 3 the hardware required to. 1 the operator by manufacturer and model. A a combination sectional overhead garage door operator system as described in 1211 6 c.

For soft leading edge doors the flexibility of the edge itself helps prevent entrapment. Fortunately injuries from overhead doors and roll up doors can be avoided. The criteria for an inherent entrapment protection system is that the system shall sense an obstruction and stop the motion of the door or gate and initiate reversal of the door gate within two seconds. Additionally the revised ul standard requires that the instructions for combination sectional overhead gdos must specify.

Ohs compliance overhead doors systems are subject to ohs compliance requirements. By and crushing incidents1 2 3 involving overhead doors that are avoidable given regular door maintenance inspections and the inclusion of recommended safety entrapment devices. Injuries to workers who are struck or crushed by commercial overhead doors are always a concern in industrial workplaces. Warning signals such as audible alarms or flashing lights represent the third line of defense.

The bottom sensing edge stops and reverses the door upon contact with an obstruction. And b for use only with vertically moving garage doors. 2 the doors by manufacturer model and maximum and minimum door width and height required for compliance to the entrapment protection requirements.